It allows people from multiple countries to connect at once while playing an online game.
B. American tax money is increasingly spent on services supporting children of illegal immigrants
Answer:
Dissolved Oxygen and Water. Although water molecules contain an oxygen atom, this oxygen is not what is needed by aquatic organisms living in natural waters. A small amount of oxygen, up to about ten molecules of oxygen per million of water, is actually dissolved in water. Oxygen enters a stream mainly from the atmosphere .
Explanation:
I want to investigate how temperature affect the concentration of oxygen in air as it will affect how much oxygen we inhale per breathe. Oxygen by percent composition in air is 20.95%. However, the oxygen concentration/density in air varies due to the expansion of gas particles and varies inversely wth temperature according to P/RT=n/V.
Answer:
B. Arising in the northern plains, this river flows through states between the Appalachian and rocky mountain ranges and dumps into the Gulf of Mexico.
Explanation:
Purpose: This preferred answer best illustrates the sequence of the Mississippi River. It accompanies the course described in choice B.